cnt10_8.fit

本程序完整的实现了数字频率计的常用功能。并对通常数字频率计的常见问题进行了改进。具有实用价值。

-- MAX+plus II Compiler Fit File      
-- Version 10.0 9/14/2000             
-- Compiled: 11/15/2004 18:05:12      

-- Copyright (C) 1988-2000 Altera Corporation
-- Any megafunction design, and related net list (encrypted or decrypted),
-- support information, device programming or simulation file, and any other
-- associated documentation or information provided by Altera or a partner
-- under Altera's Megafunction Partnership Program may be used only to
-- program PLD devices (but not masked PLD devices) from Altera.  Any other
-- use of such megafunction design, net list, support information, device
-- programming or simulation file, or any other related documentation or
-- information is prohibited for any other purpose, including, but not
-- limited to modification, reverse engineering, de-compiling, or use with
-- any other silicon devices, unless such use is explicitly licensed under
-- a separate agreement with Altera or a megafunction partner.  Title to
-- the intellectual property, including patents, copyrights, trademarks,
-- trade secrets, or maskworks, embodied in any such megafunction design,
-- net list, support information, device programming or simulation file, or
-- any other related documentation or information provided by Altera or a
-- megafunction partner, remains with Altera, the megafunction partner, or
-- their respective licensors.  No other licenses, including any licenses
-- needed under any third party's intellectual property, are provided herein.

CHIP "cnt10_8"
BEGIN

    DEVICE = "EPF10K10LC84-3";

    "clr"                          : INPUT_PIN  = 2      ;
    "en"                           : INPUT_PIN  = 42     ;
    "fsin"                         : INPUT_PIN  = 1      ;
    "cin"                          : OUTPUT_PIN = 7      ;
    "sd0"                          : OUTPUT_PIN = 70     ;
    "sd1"                          : OUTPUT_PIN = 5      ;
    "sd2"                          : OUTPUT_PIN = 35     ;
    "sd3"                          : OUTPUT_PIN = 60     ;
    "sd4"                          : OUTPUT_PIN = 19     ;
    "sd5"                          : OUTPUT_PIN = 69     ;
    "sd6"                          : OUTPUT_PIN = 3      ;
    "sd7"                          : OUTPUT_PIN = 39     ;
    "sd8"                          : OUTPUT_PIN = 17     ;
    "sd9"                          : OUTPUT_PIN = 71     ;
    "sd10"                         : OUTPUT_PIN = 38     ;
    "sd11"                         : OUTPUT_PIN = 37     ;
    "sd12"                         : OUTPUT_PIN = 73     ;
    "sd13"                         : OUTPUT_PIN = 83     ;
    "sd14"                         : OUTPUT_PIN = 72     ;
    "sd15"                         : OUTPUT_PIN = 47     ;
    "sd16"                         : OUTPUT_PIN = 67     ;
    "sd17"                         : OUTPUT_PIN = 22     ;
    "sd18"                         : OUTPUT_PIN = 24     ;
    "sd19"                         : OUTPUT_PIN = 23     ;
    "sd20"                         : OUTPUT_PIN = 64     ;
    "sd21"                         : OUTPUT_PIN = 66     ;
    "sd22"                         : OUTPUT_PIN = 65     ;
    "sd23"                         : OUTPUT_PIN = 25     ;
    "sd24"                         : OUTPUT_PIN = 59     ;
    "sd25"                         : OUTPUT_PIN = 58     ;
    "sd26"                         : OUTPUT_PIN = 62     ;
    "sd27"                         : OUTPUT_PIN = 61     ;
    "sd28"                         : OUTPUT_PIN = 27     ;
    "sd29"                         : OUTPUT_PIN = 30     ;
    "sd30"                         : OUTPUT_PIN = 28     ;
    "sd31"                         : OUTPUT_PIN = 29     ;
    "clr~1"                        : LOCATION   = LC4_A16;
    "|CNT10:1|LPM_ADD_SUB:83|addcore:adder|:63" : LOCATION   = LC7_A5 ;
    "|CNT10:1|LPM_ADD_SUB:83|addcore:adder|:76" : LOCATION   = LC2_A5 ;
    "|CNT10:1|:8"                  : LOCATION   = LC1_A11;
    "|CNT10:1|:10"                 : LOCATION   = LC4_A5 ;  -- |CNT10:1|tem3
    "|CNT10:1|:11"                 : LOCATION   = LC6_A5 ;  -- |CNT10:1|tem2
    "|CNT10:1|:12"                 : LOCATION   = LC1_A5 ;  -- |CNT10:1|tem1
    "|CNT10:1|:13"                 : LOCATION   = LC5_A5 ;  -- |CNT10:1|tem0
    "|CNT10:1|:51"                 : LOCATION   = LC3_A5 ;
    "|CNT10:2|LPM_ADD_SUB:83|addcore:adder|:63" : LOCATION   = LC6_A11;
    "|CNT10:2|LPM_ADD_SUB:83|addcore:adder|:76" : LOCATION   = LC5_A11;
    "|CNT10:2|:8"                  : LOCATION   = LC5_A10;
    "|CNT10:2|:10"                 : LOCATION   = LC3_A11;  -- |CNT10:2|tem3
    "|CNT10:2|:11"                 : LOCATION   = LC4_A11;  -- |CNT10:2|tem2
    "|CNT10:2|:12"                 : LOCATION   = LC8_A11;  -- |CNT10:2|tem1
    "|CNT10:2|:13"                 : LOCATION   = LC7_A11;  -- |CNT10:2|tem0
    "|CNT10:2|:51"                 : LOCATION   = LC2_A11;
    "|CNT10:3|LPM_ADD_SUB:83|addcore:adder|:63" : LOCATION   = LC8_A10;
    "|CNT10:3|LPM_ADD_SUB:83|addcore:adder|:76" : LOCATION   = LC7_A10;
    "|CNT10:3|:8"                  : LOCATION   = LC2_A13;
    "|CNT10:3|:10"                 : LOCATION   = LC4_A10;  -- |CNT10:3|tem3
    "|CNT10:3|:11"                 : LOCATION   = LC6_A10;  -- |CNT10:3|tem2
    "|CNT10:3|:12"                 : LOCATION   = LC3_A10;  -- |CNT10:3|tem1
    "|CNT10:3|:13"                 : LOCATION   = LC2_A10;  -- |CNT10:3|tem0
    "|CNT10:3|:51"                 : LOCATION   = LC1_A10;
    "|CNT10:4|LPM_ADD_SUB:83|addcore:adder|:63" : LOCATION   = LC7_A13;
    "|CNT10:4|LPM_ADD_SUB:83|addcore:adder|:76" : LOCATION   = LC6_A13;
    "|CNT10:4|:8"                  : LOCATION   = LC1_A16;
    "|CNT10:4|:10"                 : LOCATION   = LC8_A13;  -- |CNT10:4|tem3
    "|CNT10:4|:11"                 : LOCATION   = LC3_A13;  -- |CNT10:4|tem2
    "|CNT10:4|:12"                 : LOCATION   = LC4_A13;  -- |CNT10:4|tem1
    "|CNT10:4|:13"                 : LOCATION   = LC1_A13;  -- |CNT10:4|tem0
    "|CNT10:4|:51"                 : LOCATION   = LC5_A13;
    "|CNT10:5|LPM_ADD_SUB:83|addcore:adder|:63" : LOCATION   = LC8_B16;
    "|CNT10:5|LPM_ADD_SUB:83|addcore:adder|:76" : LOCATION   = LC7_B16;
    "|CNT10:5|:8"                  : LOCATION   = LC3_B16;
    "|CNT10:5|:10"                 : LOCATION   = LC4_B16;  -- |CNT10:5|tem3
    "|CNT10:5|:11"                 : LOCATION   = LC6_B16;  -- |CNT10:5|tem2
    "|CNT10:5|:12"                 : LOCATION   = LC2_B16;  -- |CNT10:5|tem1
    "|CNT10:5|:13"                 : LOCATION   = LC1_B16;  -- |CNT10:5|tem0
    "|CNT10:5|:51"                 : LOCATION   = LC5_B16;
    "|CNT10:6|LPM_ADD_SUB:83|addcore:adder|:63" : LOCATION   = LC6_B21;
    "|CNT10:6|LPM_ADD_SUB:83|addcore:adder|:76" : LOCATION   = LC4_B21;
    "|CNT10:6|:8"                  : LOCATION   = LC1_B21;
    "|CNT10:6|:10"                 : LOCATION   = LC8_B21;  -- |CNT10:6|tem3
    "|CNT10:6|:11"                 : LOCATION   = LC5_B21;  -- |CNT10:6|tem2
    "|CNT10:6|:12"                 : LOCATION   = LC3_B21;  -- |CNT10:6|tem1
    "|CNT10:6|:13"                 : LOCATION   = LC7_B21;  -- |CNT10:6|tem0
    "|CNT10:6|:51"                 : LOCATION   = LC2_B21;
    "|CNT10:7|LPM_ADD_SUB:83|addcore:adder|:63" : LOCATION   = LC8_C22;
    "|CNT10:7|LPM_ADD_SUB:83|addcore:adder|:76" : LOCATION   = LC7_C22;
    "|CNT10:7|:8"                  : LOCATION   = LC3_C22;
    "|CNT10:7|:10"                 : LOCATION   = LC2_C22;  -- |CNT10:7|tem3
    "|CNT10:7|:11"                 : LOCATION   = LC1_C22;  -- |CNT10:7|tem2
    "|CNT10:7|:12"                 : LOCATION   = LC6_C22;  -- |CNT10:7|tem1
    "|CNT10:7|:13"                 : LOCATION   = LC5_C22;  -- |CNT10:7|tem0
    "|CNT10:7|:51"                 : LOCATION   = LC4_C22;
    "|CNT10:8|LPM_ADD_SUB:83|addcore:adder|:63" : LOCATION   = LC8_C4 ;
    "|CNT10:8|LPM_ADD_SUB:83|addcore:adder|:76" : LOCATION   = LC7_C4 ;
    "|CNT10:8|:8"                  : LOCATION   = LC3_C4 ;
    "|CNT10:8|:10"                 : LOCATION   = LC5_C4 ;  -- |CNT10:8|tem3